Stand Alone version of Win Mover.
basically, you can move/resize your windows using your keyboard like this:
without using any other external program
the shortcuts are setted as:
ctrl+alt+cmd+down-arrow-> full screen
ctrl+alt+cmd+left-arrow -> move left
ctrl+alt+cmd+right-arrow -> move right
download dmg image: Win Mover DMG Download
open it and move the app on your Application folder,
open it and enjoy it.
On the first Launch, MacOs will ask you to grant at WinMover the Prermission to control Your mac, it is normal, grant it in order to make WinMover work.